A gift to the Emperors from Macrinus, you quickly become their favourite toy, placing you in the ideal position to collect intel for your former master, trading their secrets for your brother's continued survival. But when you start to care for your twin captors, your guilt at betraying them forces you to decide how to protect both them and your brother.
series tags/warnings. 18+ mdni, no use of y/n, dubcon, reader is a concubine/slave, historical inaccuracies, period typical sexism, possessive relationships, caracalla does not have syphilis—his affliction is caused by lead poisoning, rough sex, mmf threesomes, spit roast, double penetration, spanking, free use, praise/degradation, dom/sub dynamics, masturbastion (m), oral (m + f receiving), face fucking, fingering, dacryphyllia, unprotected sex, public sex, bath sex, creampies, breeding kink, exhibitionism, choking, talk of pregnancy & actual pregnancy, depictions of canon typical violence, blood/gore, assassination attempts